<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="7">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                    <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
                </el-col>
            </el-row>
            <!--用户列表区 -->
            <el-table :data="userlist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态">
                    <template slot-scope='scope'>
                        <el-switch
                        v-model="scope.row.ms_state"
                         @change= "userStateChanged(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作">
                    <template slot-scope="scope">
                        <!-- 修改 -->
                       <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                       <!-- 删除 -->
                       <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                       <!-- 分配角色 -->
                       <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
                       <el-button type="warning" icon="el-icon-setting" size="mini" @click="showEditRole(scope.row)"></el-button>
                       </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-size="queryInfo.pageSize"
            :page-sizes="[ 2, 3, 4, 5, 6,]"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
            </el-pagination>
        </el-card>
        <!-- 添加用户的对话框 -->
        <el-dialog
        title="添加用户"
        :visible.sync="addDialogVisible"
        width="30%" @close="addDialogClosed">
              <!-- 内容主题区域 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
            <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
        </el-form>
              <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
        </el-dialog>
        <!-- 修改用户信息对话框 -->
        <el-dialog
        title="修改用户信息"
        :visible.sync="editDialogVisible"
        width="50%">
          <el-form :model="editForm" :rules="addFormRules" ref="editFormRef" label-width="70px">
            <el-form-item label="用户名">
              <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
              <el-input v-model="editForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机号" prop="mobile">
              <el-input v-model="editForm.mobile"></el-input>
            </el-form-item>
          </el-form>
          <span slot="footer" class="dialog-footer">
            <el-button @click="editDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editUserInfo">确 定</el-button>
          </span>
        </el-dialog>
        <!-- 分配角色 -->
         <el-dialog
        title="分配角色"
        :visible.sync="editRoleDialogVisible"
        width="50%" @close="resetSelector">
        <div>
          <p>当前的用户:{{roleInfo.username}}</p>
          <p>当前的角色:{{roleInfo.role_name}}</p>
          <p>分配新角色:
            <el-select v-model="selectorRoleId" placeholder="请选择">
              <el-option
                v-for="item in roleList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id">
              </el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
            <el-button @click="editRoleDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
          </span>
        </el-dialog>
    </div>
</template>
<script>
export default {
  data () {
    //   邮箱验证规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) return cb()
      cb(new Error('请输入合法的邮箱地址'))
    }
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) return cb()
      cb(new Error('请输入合法的手机号码'))
    }
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        pagenum: 1, // 当前页数
        pagesize: 2 // 当前每页显示多少条数据
      },
      userlist: [],
      total: 0,
      //   控制对话框的显示与隐藏
      addDialogVisible: false,
      editDialogVisible: false,
      //   添加用户表单
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },

      //   添加用户规则
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 2, max: 10, message: '用户名的长度在2到10个字符之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '密码的长度在6到15个字符之间', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱地址', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 修改用户信息
      editForm: {},
      // 分配角色对话框
      editRoleDialogVisible: false,
      // 当前角色信息
      roleInfo: {},
      // 角色列表
      roleList: {},
      // 选中的角色的id
      selectorRoleId: ''

    }
  },
  methods: {
    //   请求数据
    async getUserList () {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) return this.$message.error('获取用户列表失败')
      this.userlist = res.data.users
      this.total = res.data.total
    },
    // 单页显示数据修改
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 页面跳转
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关状态切换
    async userStateChanged (userinfo) {
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('请求失败')
      }
      this.$message.success(res.meta.msg)
      console.log(res)
    },
    // 监听添加对话框关闭事件
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valida => {
        if (!valida) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) this.$message.error('添加失败')
        this.$message.success('添加成功')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    // 修改用户信息
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) return this.$message.erro('获取用户信息失败')
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 修改用户信息并提交
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) return this.$message.erro('修改用户信息失败')
        this.editDialogVisible = false
        this.getUserList()
        this.$message.success('修改用户信息成功')
      })
    },
    // 根据id删除对应用户
    async removeUserById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') return this.$message.info('已取消删除')
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) return this.$message.error('删除用户失败')
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    // 分配角色按钮
    async showEditRole (role) {
      this.roleInfo = role
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) return this.$message.error('获取角色列表失败')
      this.roleList = res.data
      this.editRoleDialogVisible = true
    },
    async saveRoleInfo () {
      if (!this.selectorRoleId) return this.$message.info('请选择要分配的角色')
      const { data: res } = await this.$http.put(`users/${this.roleInfo.id}/role`, {
        rid: this.selectorRoleId
      })
      if (res.meta.status !== 200) return this.$message.error('分配角色失败')
      this.getUserList()
      this.editRoleDialogVisible = false
      this.$message.success('修改成功')
    },
    // 重置选择框
    resetSelector () {
      this.selectorRoleId = ''
    }
  },
  created () {
    this.getUserList()
  }
}
</script>
<style lang="less" scoped>
.el-table{
    margin-top: 15px;
    font-size: 12px;
}
</style>
